Dev Builds » 20200511-1846

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 15. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo
ncm-dbt-01 06:25:19 583283 4012 54 2608 1350 -261.42 ± 6.71 625 1304 77 0 0 -683.38 ± 39.42
ncm-dbt-02 06:25:35 585568 4000 64 2556 1380 -253.59 ± 6.53 581 1331 87 1 0 -657.16 ± 37.02
ncm-dbt-03 06:24:24 585694 4000 60 2562 1378 -255.01 ± 6.64 594 1316 88 2 0 -651.27 ± 36.79
ncm-dbt-04 06:26:20 568244 3994 58 2587 1349 -259.44 ± 6.76 619 1291 87 0 0 -660.93 ± 37.01
ncm-dbt-05 06:26:08 581670 3994 74 2545 1375 -251.15 ± 6.55 573 1326 97 1 0 -637.95 ± 35.0
20000 310 12858 6832 -256.1 ± 2.97 2992 6568 436 4 0 -657.56 ± 16.35

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
451140 ncm-dbt-01 580240 12 0 8 4 -279.22 ± 131.95 2 4 0 0 0 -1199.83 ± 215.27
451139 ncm-dbt-04 569031 494 5 329 160 -272.91 ± 19.85 84 156 7 0 0 -736.92 ± 163.24
451138 ncm-dbt-05 576578 494 12 312 170 -244.8 ± 19.03 69 163 14 1 0 -590.12 ± 99.41
451137 ncm-dbt-02 582694 500 7 325 168 -261.07 ± 19.66 80 158 12 0 0 -643.67 ± 110.29
451136 ncm-dbt-03 585421 500 12 319 169 -248.52 ± 19.6 75 157 18 0 0 -571.09 ± 86.01
451135 ncm-dbt-01 582360 500 12 315 173 -244.09 ± 18.27 68 167 15 0 0 -603.84 ± 95.91
451134 ncm-dbt-05 581735 500 13 312 175 -239.73 ± 18.2 66 167 17 0 0 -581.38 ± 88.96
451133 ncm-dbt-04 566651 500 5 322 173 -259.9 ± 19.24 78 161 11 0 0 -659.13 ± 116.77
451132 ncm-dbt-02 586477 500 7 326 167 -262.24 ± 19.53 80 159 11 0 0 -659.13 ± 116.77
451131 ncm-dbt-03 587919 500 6 328 166 -265.77 ± 19.69 82 158 10 0 0 -676.04 ± 124.55
451130 ncm-dbt-01 584790 500 7 314 179 -248.52 ± 17.52 67 173 10 0 0 -676.04 ± 124.55
451129 ncm-dbt-05 581361 500 13 315 172 -243.0 ± 18.88 70 162 18 0 0 -571.09 ± 86.01
451128 ncm-dbt-04 569270 500 10 323 167 -255.29 ± 19.97 79 155 16 0 0 -592.27 ± 92.24
451127 ncm-dbt-02 586435 500 5 319 176 -256.44 ± 17.4 70 174 6 0 0 -766.17 ± 188.02
451126 ncm-dbt-01 583237 500 4 337 159 -279.16 ± 19.85 88 157 5 0 0 -798.18 ± 231.48
451125 ncm-dbt-03 586012 500 6 322 172 -258.74 ± 18.82 76 164 10 0 0 -676.04 ± 124.55
451124 ncm-dbt-05 582402 500 10 319 171 -250.76 ± 18.62 72 165 13 0 0 -629.41 ± 104.8
451123 ncm-dbt-04 569949 500 3 322 175 -262.24 ± 18.12 75 169 6 0 0 -766.17 ± 188.02
451122 ncm-dbt-02 588600 500 9 321 170 -254.15 ± 19.82 78 156 16 0 0 -592.27 ± 92.24
451121 ncm-dbt-01 584748 500 9 328 163 -262.24 ± 19.8 81 157 12 0 0 -643.67 ± 110.29
451120 ncm-dbt-03 583279 500 6 320 174 -256.44 ± 17.69 71 172 7 0 0 -739.05 ± 163.27
451119 ncm-dbt-05 580489 500 7 323 170 -258.74 ± 18.54 75 166 9 0 0 -694.7 ± 134.18
451118 ncm-dbt-04 566888 500 9 315 176 -247.41 ± 18.18 69 168 13 0 0 -629.41 ± 104.8
451117 ncm-dbt-03 586181 500 6 326 168 -263.41 ± 20.74 84 153 12 1 0 -616.2 ± 109.19
451116 ncm-dbt-02 586223 500 8 314 178 -247.41 ± 18.18 68 171 10 1 0 -643.7 ± 122.54
451115 ncm-dbt-01 582694 500 5 322 173 -259.9 ± 19.24 78 161 11 0 0 -659.13 ± 116.77
451114 ncm-dbt-05 583154 500 4 322 174 -261.07 ± 17.68 73 172 5 0 0 -798.18 ± 231.48
451113 ncm-dbt-01 585801 500 7 332 161 -269.36 ± 19.85 84 157 9 0 0 -694.7 ± 134.18
451112 ncm-dbt-04 567918 500 9 323 168 -256.44 ± 18.53 74 166 10 0 0 -676.04 ± 124.55
451111 ncm-dbt-02 585253 500 11 318 171 -248.52 ± 17.79 68 171 11 0 0 -659.13 ± 116.77
451110 ncm-dbt-03 586562 500 8 307 185 -239.74 ± 17.44 62 176 11 1 0 -629.43 ± 115.29
451109 ncm-dbt-05 583908 500 5 324 171 -262.24 ± 18.41 76 167 7 0 0 -739.05 ± 163.27
451108 ncm-dbt-01 583782 500 4 325 171 -264.59 ± 18.41 77 167 6 0 0 -766.17 ± 188.02
451107 ncm-dbt-02 583321 500 14 319 167 -246.3 ± 18.3 69 167 14 0 0 -616.18 ± 100.06
451106 ncm-dbt-04 569909 500 3 333 164 -275.44 ± 19.71 86 158 6 0 0 -766.17 ± 188.02
451105 ncm-dbt-03 583405 500 8 324 168 -258.74 ± 18.54 75 166 9 0 0 -694.7 ± 134.18
451104 ncm-dbt-02 585548 500 3 314 183 -253.02 ± 17.26 68 175 7 0 0 -739.05 ± 163.27
451103 ncm-dbt-03 586774 500 8 316 176 -249.64 ± 17.94 69 170 11 0 0 -659.13 ± 116.77
451102 ncm-dbt-04 566336 500 14 320 166 -247.41 ± 19.45 74 158 18 0 0 -571.09 ± 86.01
451101 ncm-dbt-05 583740 500 10 318 172 -249.64 ± 18.73 72 164 14 0 0 -616.18 ± 100.06
451100 ncm-dbt-01 581902 500 6 327 167 -264.59 ± 19.27 80 161 9 0 0 -694.7 ± 134.18

Commit

Commit ID 66ed8b6c479932f1ec2274b5f567b5a6aecae0a4
Author Moez Jellouli
Date 2020-05-11 18:46:39 UTC
Tune pawn value Small tune of PawnValue parameters -4 / -7 with "closedpos.epd" opening book. STC: LLR: 2.96 (-2.94,2.94) {-0.50,1.50} Total: 58776 W: 11787 L: 11511 D: 35478 Ptnml(0-2): 975, 6876, 13443, 7086, 1008 https://tests.stockfishchess.org/tests/view/5eb5aa712326444a3b6d3e33 LTC: LLR: 2.98 (-2.94,2.94) {0.25,1.75} Total: 137544 W: 19687 L: 19115 D: 98742 Ptnml(0-2): 988, 13219, 39901, 13561, 1103 https://tests.stockfishchess.org/tests/view/5eb67a392326444a3b6d3e9a Non regression STC with "noob_3moves.epd" opening book LLR: 2.94 (-2.94,2.94) {-1.50,0.50} Total: 98168 W: 18545 L: 18499 D: 61124 Ptnml(0-2): 1647, 11396, 22951, 11444, 1646 https://tests.stockfishchess.org/tests/view/5eb7e489e0300e8e8c896203 closes https://github.com/official-stockfish/Stockfish/pull/2670 Bench 4696646
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